Cozy up your autumn with this no-fuss Pumpkin Cinnamon Swirl Sourdough Sandwich Bread, baked right in a standard 9x5 pan. Expect a buttery, ultra-soft crumb, a tender golden crust, and a tight, fragrant cinnamon ribbon running through every single slice. It makes the ultimate fall toast, especially slathered with extra salted butter, cream cheese, or a drizzle of honey.